a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 01:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe
Size

97KB
MD5

0fbe2d9e674a80cb94cf3b8c7a99a5c0
SHA1

acbf82d6a891fbea28e1a997c1d7e0841a115f09
SHA256

a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593
SHA512

2ed1178c78ebfa0e91b12be5e28424de74bb3538ccca9727890945a70bd5a8291748550672068b8d43f74d597aeb44e30d84d860833249683b816441124ea578
SSDEEP

3072:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nbnl1RRhCHODMe1C:zw6

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2496	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2496	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2496	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2496	3020	a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe	30
PID 3020 wrote to memory of 2496	3020	a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe	30
PID 3020 wrote to memory of 2496	3020	a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe	30
PID 3020 wrote to memory of 2496	3020	a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe	30

C:\Users\Admin\AppData\Local\Temp\a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe
"C:\Users\Admin\AppData\Local\Temp\a92815778cfc6ce61a77a9f457214e72815b802afc10ce3402389bcf7bcca593.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
97KB

MD5
a7dfda64ddd6e9a5454a56925d2bf625

SHA1
b0032bd5e3ec4ecb7312e678ac64f90496167fa9

SHA256
2769f12f891e71a146e5d7b156bb140d4261d64b2b08de9d07f82a607fd359f8

SHA512
993b1423c7e6fb7dcb69cff236c0f98097b0c07042ac95b2aba7968cd2e8b130a2ad7cd3651868fdae0989dec8573e449ad304f6872d53602892fe29cc760b5e

Download Submit
memory/2496-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2496-14-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/2496-15-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2496-16-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/3020-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3020-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3020-7-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads